1. Which component is responsible for storing the system BIOS settings?
CMOS battery
RAM
Hard Drive
Power Supply
✅ Correct Answer: CMOS battery
2. What is the function of a CPU in a computer?
To process instructions and perform calculations
To store data permanently
To manage network connections
To display graphics
✅ Correct Answer: To process instructions and perform calculations
3. Which port is commonly used for connecting a monitor?
HDMI
USB
Ethernet
VGA
✅ Correct Answer: HDMI
4. What is the purpose of a GPU?
To render graphics and images
To store data permanently
To manage network connections
To process instructions
✅ Correct Answer: To render graphics and images
5. Which type of memory is volatile?
RAM
ROM
SSD
HDD
✅ Correct Answer: RAM
6. What is the purpose of a power supply unit (PSU)?
To convert AC power to DC power for the computer
To store data permanently
To manage network connections
To process instructions
✅ Correct Answer: To convert AC power to DC power for the computer
7. Which component is responsible for cooling the CPU?
Heat sink and fan
Power supply
RAM
GPU
✅ Correct Answer: Heat sink and fan
8. What is the purpose of a motherboard?
To connect all hardware components
To store data permanently
To manage network connections
To process instructions
✅ Correct Answer: To connect all hardware components
9. Which type of storage device has no moving parts?
SSD
HDD
Optical Drive
Tape Drive
✅ Correct Answer: SSD
10. What is the purpose of a NIC (Network Interface Card)?
To connect a computer to a network
To store data permanently
To manage hardware resources
To process instructions
✅ Correct Answer: To connect a computer to a network
11. Which component is responsible for storing the operating system?
Hard Drive
RAM
CPU
GPU
✅ Correct Answer: Hard Drive
12. What is the purpose of a BIOS/UEFI?
To initialize hardware during the boot process
To store data permanently
To manage network connections
To process instructions
✅ Correct Answer: To initialize hardware during the boot process
13. Which type of cable is used for high-speed data transfer?
USB-C
VGA
HDMI
Ethernet
✅ Correct Answer: USB-C
14. What is the purpose of a sound card?
To process audio signals
To store data permanently
To manage network connections
To process instructions
✅ Correct Answer: To process audio signals
15. Which component is responsible for managing wireless connections?
Wi-Fi card
NIC
GPU
CPU
✅ Correct Answer: Wi-Fi card
16. What is the purpose of a RAID configuration?
To improve data redundancy and performance
To store data permanently
To manage network connections
To process instructions
✅ Correct Answer: To improve data redundancy and performance
17. Which type of memory is non-volatile?
ROM
RAM
Cache
Virtual Memory
✅ Correct Answer: ROM
18. What is the purpose of a cooling fan?
To dissipate heat from components
To store data permanently
To manage network connections
To process instructions
✅ Correct Answer: To dissipate heat from components
19. Which component is responsible for managing input/output operations?
Southbridge
Northbridge
CPU
GPU
✅ Correct Answer: Southbridge
20. What is the purpose of a case fan?
To circulate air inside the computer case
To store data permanently
To manage network connections
To process instructions
✅ Correct Answer: To circulate air inside the computer case
21. Which component is responsible for storing temporary data while the computer is running?
RAM
SSD
HDD
BIOS
✅ Correct Answer: RAM
22. What is the purpose of the Northbridge in a motherboard?
To manage communication between CPU, RAM, and GPU
To store BIOS settings
To provide power to components
To cool the CPU
✅ Correct Answer: To manage communication between CPU, RAM, and GPU
23. Which type of RAM is commonly used in modern desktops?
DDR4
DDR3
SDRAM
RDRAM
✅ Correct Answer: DDR4
24. What is the purpose of a CMOS battery?
To maintain BIOS settings when the computer is off
To power the CPU
To cool the motherboard
To store user data
✅ Correct Answer: To maintain BIOS settings when the computer is off
25. Which port is commonly used for connecting external storage devices?
USB
HDMI
VGA
Ethernet
✅ Correct Answer: USB
26. What is the purpose of a heat sink?
To dissipate heat from the CPU
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To dissipate heat from the CPU
27. Which of the following is an example of a motherboard form factor?
ATX
USB
HDMI
SATA
✅ Correct Answer: ATX
28. What is the purpose of POST (Power-On Self-Test)?
To check hardware components during boot
To install an OS
To encrypt data
To manage network traffic
✅ Correct Answer: To check hardware components during boot
29. Which type of storage device uses spinning platters?
HDD
SSD
Flash Drive
RAM
✅ Correct Answer: HDD
30. What is the purpose of a GPU?
To render graphics
To store data
To manage network traffic
To process instructions
✅ Correct Answer: To render graphics
31. Which of the following is an example of a wireless networking standard?
802.11ac
USB 3.0
SATA III
PCIe
✅ Correct Answer: 802.11ac
32. What is the purpose of a PSU (Power Supply Unit)?
To provide power to computer components
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To provide power to computer components
33. Which of the following is an example of a CPU socket type?
LGA 1200
USB-C
HDMI
SATA
✅ Correct Answer: LGA 1200
34. What is the purpose of a case fan?
To circulate air inside the case
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To circulate air inside the case
35. Which of the following is an example of a storage interface?
SATA
USB
HDMI
Ethernet
✅ Correct Answer: SATA
36. What is the purpose of a RAID array?
To improve performance and/or redundancy
To store BIOS settings
To cool the CPU
To manage network traffic
✅ Correct Answer: To improve performance and/or redundancy
37. Which of the following is an example of a cooling solution?
Liquid cooling
SSD
RAM
NIC
✅ Correct Answer: Liquid cooling
38. What is the purpose of BIOS/UEFI?
To initialize hardware during boot
To store user data
To manage network traffic
To process graphics
✅ Correct Answer: To initialize hardware during boot
39. Which of the following is an example of a peripheral connection?
USB
SATA
PCIe
DDR4
✅ Correct Answer: USB
40. What is the purpose of a sound card?
To process audio signals
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To process audio signals
41. Which of the following is an example of a network cable?
Ethernet
USB
HDMI
SATA
✅ Correct Answer: Ethernet
42. What is the purpose of a NIC (Network Interface Card)?
To connect a computer to a network
To store data
To cool the CPU
To process graphics
✅ Correct Answer: To connect a computer to a network
43. Which of the following is an example of a display connector?
DisplayPort
USB-C
SATA
PCIe
✅ Correct Answer: DisplayPort
44. What is the purpose of a motherboard chipset?
To manage communication between components
To store data
To cool the CPU
To process graphics
✅ Correct Answer: To manage communication between components
45. Which of the following is an example of a power connector?
24-pin ATX
USB-C
HDMI
SATA
✅ Correct Answer: 24-pin ATX
46. What is the purpose of thermal paste?
To improve heat transfer between CPU and heat sink
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To improve heat transfer between CPU and heat sink
47. Which of the following is an example of a CPU architecture?
x86
USB
HDMI
SATA
✅ Correct Answer: x86
48. What is the purpose of a computer case?
To house and protect computer components
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To house and protect computer components
49. Which of the following is an example of a storage technology?
NVMe
USB
HDMI
Ethernet
✅ Correct Answer: NVMe
50. What is the purpose of a fan controller?
To regulate fan speeds
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To regulate fan speeds
51. Which of the following is an example of a CPU manufacturer?
Intel
Samsung
Seagate
NVIDIA
✅ Correct Answer: Intel
52. What is the purpose of a voltage regulator module (VRM)?
To provide stable power to the CPU
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To provide stable power to the CPU
53. Which of the following is an example of a motherboard feature?
Overclocking support
USB charging
HDMI output
SATA ports
✅ Correct Answer: Overclocking support
54. What is the purpose of a TPM (Trusted Platform Module)?
To provide hardware-based security
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To provide hardware-based security
55. Which of the following is an example of a GPU manufacturer?
NVIDIA
Intel
AMD
Samsung
✅ Correct Answer: NVIDIA
56. What is the purpose of POST code beeps?
To indicate hardware errors during boot
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To indicate hardware errors during boot
57. Which of the following is an example of a RAM type?
DDR4
SATA
USB
HDMI
✅ Correct Answer: DDR4
58. What is the purpose of a KVM switch?
To control multiple computers with one keyboard/mouse/monitor
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To control multiple computers with one keyboard/mouse/monitor
59. Which of the following is an example of a cooling method?
Air cooling
SSD
RAM
NIC
✅ Correct Answer: Air cooling
60. What is the purpose of a Thunderbolt port?
To provide high-speed data transfer and video output
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To provide high-speed data transfer and video output
61. Which of the following is an example of a power supply certification?
80 Plus Gold
USB 3.0
HDMI 2.1
SATA III
✅ Correct Answer: 80 Plus Gold
62. What is the purpose of dual-channel memory configuration?
To increase memory bandwidth
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To increase memory bandwidth
63. Which of the following is an example of a CPU cooling solution?
Liquid cooling
SSD
RAM
NIC
✅ Correct Answer: Liquid cooling
64. What is the purpose of a BIOS update?
To add new features and fix bugs
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To add new features and fix bugs
65. Which of the following is an example of a motherboard form factor?
Micro-ATX
USB-C
HDMI
SATA
✅ Correct Answer: Micro-ATX
66. What is the purpose of chassis intrusion detection?
To alert if the case is opened
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To alert if the case is opened
67. Which of the following is an example of a storage form factor?
M.2
USB
HDMI
Ethernet
✅ Correct Answer: M.2
68. What is the purpose of a fan header on a motherboard?
To connect and control case fans
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To connect and control case fans
69. Which of the following is an example of a CPU feature?
Hyper-Threading
USB 3.0
HDMI 2.1
SATA III
✅ Correct Answer: Hyper-Threading
70. What is the purpose of a modular power supply?
To allow custom cable connections
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To allow custom cable connections
71. Which component converts AC power to DC power for computer components?
Power Supply Unit (PSU)
CPU
RAM
Motherboard
✅ Correct Answer: Power Supply Unit (PSU)
72. What is the purpose of the Southbridge chip on a motherboard?
To manage I/O operations
To process graphics
To store BIOS settings
To cool the CPU
✅ Correct Answer: To manage I/O operations
73. Which type of RAM is typically used in laptops?
SODIMM
DIMM
RIMM
SIMM
✅ Correct Answer: SODIMM
74. What is the purpose of a ZIF socket?
To safely install CPUs without bending pins
To connect storage devices
To manage network connections
To cool components
✅ Correct Answer: To safely install CPUs without bending pins
75. Which connector provides power to SATA drives?
15-pin SATA power
24-pin ATX
4-pin Molex
8-pin EPS
✅ Correct Answer: 15-pin SATA power
76. What is the purpose of a riser card?
To allow horizontal installation of expansion cards
To cool the CPU
To store BIOS settings
To manage power distribution
✅ Correct Answer: To allow horizontal installation of expansion cards
77. Which type of memory is used for CPU cache?
SRAM
DRAM
SDRAM
RDRAM
✅ Correct Answer: SRAM
78. What is the purpose of a jumper on a motherboard?
To configure hardware settings
To provide power
To cool components
To store data
✅ Correct Answer: To configure hardware settings
79. Which connector provides power to the motherboard?
24-pin ATX
8-pin EPS
4-pin Molex
6-pin PCIe
✅ Correct Answer: 24-pin ATX
80. What is the purpose of an M.2 slot?
To connect SSDs and other devices
To cool the CPU
To store BIOS settings
To manage power distribution
✅ Correct Answer: To connect SSDs and other devices
81. Which component manages communication between CPU and RAM?
Memory controller
Southbridge
GPU
NIC
✅ Correct Answer: Memory controller
82. What is the purpose of a RAID controller?
To manage multiple drives as a single unit
To cool the CPU
To store BIOS settings
To manage power distribution
✅ Correct Answer: To manage multiple drives as a single unit
83. Which type of connector is used for PCIe power?
6-pin or 8-pin
24-pin ATX
4-pin Molex
15-pin SATA
✅ Correct Answer: 6-pin or 8-pin
84. What is the purpose of a front panel header?
To connect case buttons and LEDs
To provide power to the CPU
To cool components
To store data
✅ Correct Answer: To connect case buttons and LEDs
85. Which component provides real-time clock functionality?
CMOS battery
CPU
RAM
GPU
✅ Correct Answer: CMOS battery
86. What is the purpose of a retention bracket?
To secure the CPU cooler
To hold RAM modules
To mount storage drives
To connect power cables
✅ Correct Answer: To secure the CPU cooler
87. Which type of connector is used for CPU power?
4/8-pin EPS
24-pin ATX
6-pin PCIe
15-pin SATA
✅ Correct Answer: 4/8-pin EPS
88. What is the purpose of a VRM heatsink?
To cool voltage regulators
To store data
To manage network traffic
To process graphics
✅ Correct Answer: To cool voltage regulators
89. Which component provides power to graphics cards?
PCIe power connectors
24-pin ATX
4-pin Molex
SATA power
✅ Correct Answer: PCIe power connectors
90. What is the purpose of a fan splitter cable?
To connect multiple fans to one header
To increase fan speed
To reduce noise
To control RGB lighting
✅ Correct Answer: To connect multiple fans to one header
The CompTIA_220_1101_A_Plus_Core1 certification is a globally recognized credential for IT professionals.
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